Maruson Tacoma HT 1K-3KVA, User Manual

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(4) EPO Connection:
EPO (Emergency Power Off) function is standard feature for
UPS, the polarity of EPO is configurable; EPO is normally
close as default setting. If the connection between two ports of
EPO connector is disconnected, EPO function will be active and
the UPS will stop output power immediately.
● Normally open
Normally EPO connector is open on the rear panel. Once the
connector is closed with a wire, the UPS will stop output until
EPO status is reset.
Disable EPO status Enable EPO status
● Normally close
Normally EPO connector is closed with a wire on the rear panel.
Once the connector is open, the UPS will stop output until EPO
status is disabled
Enable EPO status Disable EPO status
5.3 Battery recharge:
Fully charge the batteries (external) of the UPS system by leaving the
UPS system connected to the mains power for 1-2 hours approximately.
The UPS system is able to operate directly without recharging process,
but the backup time may be shorter than the nominal value specified.